Home / 63,399.92-87,469.08-38,240.24

Finding the Fourth Proportional to 63,399.92, 87,469.08 and 38,240.24

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Solution

The fourth proportional to 63,399.92, 87,469.08 and 38,240.24 is: 52,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,399.92 : 87,469.08 = 38,240.24 : x
  2. Step 2: Convert to fraction form
    63,399.92/87,469.08 = 38,240.24/x
  3. Step 3: Cross multiply
    63,399.92x = 87,469.08 × 38,240.24
  4. Step 4: Simplify right side
    63,399.92x = 3,344,838,611.78
  5. Step 5: Solve for x
    x = 3,344,838,611.78/63,399.92
  6. Step 6: Final answer
    x = 52,757.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.